Portable lamp



FIG. 1 is a front, and top perspective view of a portable lamp, showingmy design.

FIG. 2 is a front, left, and bottom perspective view thereof.

FIG. 3 is a front elevation view thereof.

FIG. 4 is a rear elevation view thereof.

FIG. 5 is a left side elevation view thereof.

FIG. 6 is a right side elevation view thereof.

FIG. 7 is a top plan view thereof; and,

FIG. 8 is a bottom plan view thereof.

The broken lines shown in the drawings are included for the purpose ofillustrating portions of the portable lamp that form no part of theclaimed design.

CLAIM The ornamental design for a portable lamp, as shown and described.